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Lesson 10-2: Angles, Arcs, and Chords

Lesson 10-2: Angles, Arcs, and Chords. Geometry CP Mrs. Mongold. Vocabulary Words. Semi-circle: half the circle (180 degrees) Minor arc: less than 180 degrees Name with two letters Major arc: more than 180 degrees Name with three letters Minor arc = central angle Arc length:. B.

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Lesson 10-2: Angles, Arcs, and Chords

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  1. Lesson 10-2: Angles, Arcs, and Chords Geometry CP Mrs. Mongold

  2. Vocabulary Words • Semi-circle: half the circle (180 degrees) • Minor arc: less than 180 degrees • Name with two letters • Major arc: more than 180 degrees • Name with three letters • Minor arc = central angle • Arc length:

  3. B Minor arc Minor arc Angles AXB and BXC are central angles Minor arc = AB or BC Semicircle = ABC or CDA Major arc = ABD or CBD AB + BC = 180 C Central angle X A D Semicircle

  4. Find x

  5. Find x and angle AZE

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